./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/test-context1.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/test-context1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6c10414fe2617d00008bf9d366bc6ac1618cf93ea0f6ae08bc6c5a126364bce --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:55:23,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:55:23,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:55:23,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:55:23,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:55:23,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:55:23,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:55:23,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:55:23,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:55:23,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:55:23,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:55:23,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:55:23,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:55:23,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:55:23,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:55:23,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:55:23,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:55:23,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:55:23,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:55:23,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:55:23,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:55:23,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:55:23,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:55:23,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:55:23,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:55:23,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:55:23,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:55:23,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:55:23,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:55:23,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:55:23,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:55:23,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:55:23,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:55:23,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:55:23,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:55:23,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:55:23,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:55:23,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:55:23,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:55:23,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:55:23,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:55:23,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:55:23,945 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:55:23,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:55:23,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:55:23,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:55:23,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:55:23,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:55:23,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:55:23,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:55:23,949 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:55:23,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:55:23,950 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:55:23,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:55:23,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:55:23,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:55:23,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:55:23,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:55:23,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:55:23,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:55:23,951 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:55:23,952 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:55:23,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:55:23,952 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:55:23,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:55:23,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:55:23,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:55:23,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:55:23,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:55:23,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:55:23,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:55:23,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:55:23,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:55:23,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:55:23,954 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:55:23,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:55:23,955 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:55:23,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:55:23,955 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:55:23,955 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6c10414fe2617d00008bf9d366bc6ac1618cf93ea0f6ae08bc6c5a126364bce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:55:24,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:55:24,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:55:24,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:55:24,251 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:55:24,251 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:55:24,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-context1.wvr.c [2023-08-31 21:55:25,426 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:55:25,638 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:55:25,639 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c [2023-08-31 21:55:25,644 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe59a6ed/4e7dde0ed8ef44fa90838212e1944acc/FLAGaf207955f [2023-08-31 21:55:25,657 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fe59a6ed/4e7dde0ed8ef44fa90838212e1944acc [2023-08-31 21:55:25,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:55:25,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:55:25,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:55:25,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:55:25,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:55:25,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:25,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b53caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25, skipping insertion in model container [2023-08-31 21:55:25,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:25,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:55:25,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:55:25,831 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c[2433,2446] [2023-08-31 21:55:25,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:55:25,849 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:55:25,893 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-context1.wvr.c[2433,2446] [2023-08-31 21:55:25,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:55:25,906 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:55:25,908 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:55:25,914 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:55:25,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25 WrapperNode [2023-08-31 21:55:25,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:55:25,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:55:25,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:55:25,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:55:25,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:25,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:25,981 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 236 [2023-08-31 21:55:25,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:55:25,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:55:25,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:55:25,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:55:25,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:25,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:26,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:26,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:26,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:26,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:26,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:26,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:26,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:55:26,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:55:26,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:55:26,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:55:26,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (1/1) ... [2023-08-31 21:55:26,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:55:26,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:55:26,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:55:26,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:55:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:55:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:55:26,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:55:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:55:26,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:55:26,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:55:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:55:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:55:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:55:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:55:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:55:26,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:55:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:55:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:55:26,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:55:26,130 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:55:26,225 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:55:26,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:55:26,603 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:55:26,908 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:55:26,908 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-31 21:55:26,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:55:26 BoogieIcfgContainer [2023-08-31 21:55:26,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:55:26,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:55:26,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:55:26,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:55:26,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:55:25" (1/3) ... [2023-08-31 21:55:26,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211fd9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:55:26, skipping insertion in model container [2023-08-31 21:55:26,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:55:25" (2/3) ... [2023-08-31 21:55:26,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211fd9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:55:26, skipping insertion in model container [2023-08-31 21:55:26,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:55:26" (3/3) ... [2023-08-31 21:55:26,919 INFO L112 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2023-08-31 21:55:26,926 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:55:26,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:55:26,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2023-08-31 21:55:26,935 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:55:27,016 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:55:27,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 172 transitions, 360 flow [2023-08-31 21:55:27,148 INFO L130 PetriNetUnfolder]: 9/170 cut-off events. [2023-08-31 21:55:27,149 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:55:27,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 170 events. 9/170 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 230 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2023-08-31 21:55:27,154 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 172 transitions, 360 flow [2023-08-31 21:55:27,161 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 154 places, 155 transitions, 322 flow [2023-08-31 21:55:27,164 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:55:27,179 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 155 transitions, 322 flow [2023-08-31 21:55:27,181 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 155 transitions, 322 flow [2023-08-31 21:55:27,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 155 transitions, 322 flow [2023-08-31 21:55:27,208 INFO L130 PetriNetUnfolder]: 8/155 cut-off events. [2023-08-31 21:55:27,209 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:55:27,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 155 events. 8/155 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 228 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2023-08-31 21:55:27,213 INFO L119 LiptonReduction]: Number of co-enabled transitions 2196 [2023-08-31 21:55:31,942 INFO L134 LiptonReduction]: Checked pairs total: 7532 [2023-08-31 21:55:31,942 INFO L136 LiptonReduction]: Total number of compositions: 176 [2023-08-31 21:55:31,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:55:31,968 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@456a4283, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:55:31,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-08-31 21:55:31,970 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:55:31,970 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:55:31,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:55:31,971 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:55:31,972 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-31 21:55:31,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:55:31,976 INFO L85 PathProgramCache]: Analyzing trace with hash 930, now seen corresponding path program 1 times [2023-08-31 21:55:31,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:55:31,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693518178] [2023-08-31 21:55:31,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:55:31,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:55:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:55:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:55:32,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:55:32,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693518178] [2023-08-31 21:55:32,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693518178] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:55:32,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:55:32,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:55:32,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497888618] [2023-08-31 21:55:32,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:55:32,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:55:32,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:55:32,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:55:32,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:55:32,101 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 348 [2023-08-31 21:55:32,103 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 118 flow. Second operand has 2 states, 2 states have (on average 136.5) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:55:32,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 348 [2023-08-31 21:55:32,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:55:32,140 INFO L130 PetriNetUnfolder]: 22/71 cut-off events. [2023-08-31 21:55:32,140 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2023-08-31 21:55:32,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 71 events. 22/71 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 129 event pairs, 9 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 80. Up to 42 conditions per place. [2023-08-31 21:55:32,142 INFO L137 encePairwiseOnDemand]: 319/348 looper letters, 13 selfloop transitions, 0 changer transitions 1/24 dead transitions. [2023-08-31 21:55:32,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 24 transitions, 88 flow [2023-08-31 21:55:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:55:32,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:55:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 315 transitions. [2023-08-31 21:55:32,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4525862068965517 [2023-08-31 21:55:32,163 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 315 transitions. [2023-08-31 21:55:32,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 315 transitions. [2023-08-31 21:55:32,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:55:32,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 315 transitions. [2023-08-31 21:55:32,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,177 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,178 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 118 flow. Second operand 2 states and 315 transitions. [2023-08-31 21:55:32,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 24 transitions, 88 flow [2023-08-31 21:55:32,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 24 transitions, 80 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:55:32,182 INFO L231 Difference]: Finished difference. Result has 25 places, 23 transitions, 49 flow [2023-08-31 21:55:32,184 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=49, PETRI_PLACES=25, PETRI_TRANSITIONS=23} [2023-08-31 21:55:32,187 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -32 predicate places. [2023-08-31 21:55:32,187 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 23 transitions, 49 flow [2023-08-31 21:55:32,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 136.5) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:55:32,188 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:55:32,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:55:32,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-31 21:55:32,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:55:32,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1612518007, now seen corresponding path program 1 times [2023-08-31 21:55:32,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:55:32,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887585728] [2023-08-31 21:55:32,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:55:32,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:55:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:55:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:55:32,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:55:32,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887585728] [2023-08-31 21:55:32,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887585728] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:55:32,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:55:32,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:55:32,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431054871] [2023-08-31 21:55:32,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:55:32,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:55:32,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:55:32,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:55:32,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:55:32,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 348 [2023-08-31 21:55:32,816 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 23 transitions, 49 flow. Second operand has 6 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,817 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:55:32,817 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 348 [2023-08-31 21:55:32,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:55:32,943 INFO L130 PetriNetUnfolder]: 54/98 cut-off events. [2023-08-31 21:55:32,944 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:55:32,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 98 events. 54/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 138 event pairs, 3 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 189. Up to 32 conditions per place. [2023-08-31 21:55:32,945 INFO L137 encePairwiseOnDemand]: 343/348 looper letters, 29 selfloop transitions, 4 changer transitions 0/38 dead transitions. [2023-08-31 21:55:32,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 38 transitions, 145 flow [2023-08-31 21:55:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:55:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:55:32,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 772 transitions. [2023-08-31 21:55:32,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36973180076628354 [2023-08-31 21:55:32,948 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 772 transitions. [2023-08-31 21:55:32,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 772 transitions. [2023-08-31 21:55:32,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:55:32,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 772 transitions. [2023-08-31 21:55:32,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.66666666666666) internal successors, (772), 6 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 348.0) internal successors, (2436), 7 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,956 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 348.0) internal successors, (2436), 7 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,956 INFO L175 Difference]: Start difference. First operand has 25 places, 23 transitions, 49 flow. Second operand 6 states and 772 transitions. [2023-08-31 21:55:32,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 38 transitions, 145 flow [2023-08-31 21:55:32,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 38 transitions, 145 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:55:32,957 INFO L231 Difference]: Finished difference. Result has 28 places, 22 transitions, 55 flow [2023-08-31 21:55:32,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=55, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2023-08-31 21:55:32,958 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -29 predicate places. [2023-08-31 21:55:32,959 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 55 flow [2023-08-31 21:55:32,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:32,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:55:32,960 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:55:32,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:55:32,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-08-31 21:55:32,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:55:32,961 INFO L85 PathProgramCache]: Analyzing trace with hash -520868245, now seen corresponding path program 1 times [2023-08-31 21:55:32,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:55:32,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714994277] [2023-08-31 21:55:32,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:55:32,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:55:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:55:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:55:33,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:55:33,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714994277] [2023-08-31 21:55:33,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714994277] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:55:33,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:55:33,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:55:33,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485136905] [2023-08-31 21:55:33,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:55:33,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:55:33,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:55:33,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:55:33,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:55:33,319 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 348 [2023-08-31 21:55:33,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 55 flow. Second operand has 6 states, 6 states have (on average 125.16666666666667) internal successors, (751), 6 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:33,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:55:33,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 348 [2023-08-31 21:55:33,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:55:33,392 INFO L130 PetriNetUnfolder]: 30/64 cut-off events. [2023-08-31 21:55:33,392 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:55:33,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 64 events. 30/64 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 74 event pairs, 8 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 133. Up to 37 conditions per place. [2023-08-31 21:55:33,393 INFO L137 encePairwiseOnDemand]: 343/348 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions. [2023-08-31 21:55:33,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 29 transitions, 119 flow [2023-08-31 21:55:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:55:33,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:55:33,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 764 transitions. [2023-08-31 21:55:33,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36590038314176243 [2023-08-31 21:55:33,395 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 764 transitions. [2023-08-31 21:55:33,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 764 transitions. [2023-08-31 21:55:33,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:55:33,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 764 transitions. [2023-08-31 21:55:33,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.33333333333333) internal successors, (764), 6 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:33,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 348.0) internal successors, (2436), 7 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:33,401 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 348.0) internal successors, (2436), 7 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:33,401 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 55 flow. Second operand 6 states and 764 transitions. [2023-08-31 21:55:33,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 29 transitions, 119 flow [2023-08-31 21:55:33,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 29 transitions, 112 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:55:33,402 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2023-08-31 21:55:33,402 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=348, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2023-08-31 21:55:33,403 INFO L281 CegarLoopForPetriNet]: 57 programPoint places, -29 predicate places. [2023-08-31 21:55:33,403 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2023-08-31 21:55:33,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 125.16666666666667) internal successors, (751), 6 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:55:33,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2023-08-31 21:55:33,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2023-08-31 21:55:33,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2023-08-31 21:55:33,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2023-08-31 21:55:33,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2023-08-31 21:55:33,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2023-08-31 21:55:33,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2023-08-31 21:55:33,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2023-08-31 21:55:33,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2023-08-31 21:55:33,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2023-08-31 21:55:33,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2023-08-31 21:55:33,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2023-08-31 21:55:33,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2023-08-31 21:55:33,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2023-08-31 21:55:33,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2023-08-31 21:55:33,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2023-08-31 21:55:33,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2023-08-31 21:55:33,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2023-08-31 21:55:33,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2023-08-31 21:55:33,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2023-08-31 21:55:33,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2023-08-31 21:55:33,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2023-08-31 21:55:33,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2023-08-31 21:55:33,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2023-08-31 21:55:33,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2023-08-31 21:55:33,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2023-08-31 21:55:33,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2023-08-31 21:55:33,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2023-08-31 21:55:33,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2023-08-31 21:55:33,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2023-08-31 21:55:33,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2023-08-31 21:55:33,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 56 remaining) [2023-08-31 21:55:33,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2023-08-31 21:55:33,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2023-08-31 21:55:33,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2023-08-31 21:55:33,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2023-08-31 21:55:33,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2023-08-31 21:55:33,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2023-08-31 21:55:33,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2023-08-31 21:55:33,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2023-08-31 21:55:33,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2023-08-31 21:55:33,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2023-08-31 21:55:33,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2023-08-31 21:55:33,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2023-08-31 21:55:33,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2023-08-31 21:55:33,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2023-08-31 21:55:33,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2023-08-31 21:55:33,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2023-08-31 21:55:33,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2023-08-31 21:55:33,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2023-08-31 21:55:33,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2023-08-31 21:55:33,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2023-08-31 21:55:33,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2023-08-31 21:55:33,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2023-08-31 21:55:33,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2023-08-31 21:55:33,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2023-08-31 21:55:33,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:55:33,415 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-31 21:55:33,419 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:55:33,419 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:55:33,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:55:33 BasicIcfg [2023-08-31 21:55:33,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:55:33,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:55:33,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:55:33,423 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:55:33,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:55:26" (3/4) ... [2023-08-31 21:55:33,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:55:33,430 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:55:33,430 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:55:33,433 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-08-31 21:55:33,433 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:55:33,434 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:55:33,434 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:55:33,479 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:55:33,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:55:33,480 INFO L158 Benchmark]: Toolchain (without parser) took 7820.87ms. Allocated memory was 65.0MB in the beginning and 121.6MB in the end (delta: 56.6MB). Free memory was 42.0MB in the beginning and 62.1MB in the end (delta: -20.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-08-31 21:55:33,481 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:55:33,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.56ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 29.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:55:33,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.68ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 29.6MB in the beginning and 63.5MB in the end (delta: -33.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-08-31 21:55:33,481 INFO L158 Benchmark]: Boogie Preprocessor took 60.67ms. Allocated memory is still 83.9MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:55:33,482 INFO L158 Benchmark]: RCFGBuilder took 866.56ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 48.9MB in the end (delta: 12.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-08-31 21:55:33,482 INFO L158 Benchmark]: TraceAbstraction took 6508.74ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 48.1MB in the beginning and 65.2MB in the end (delta: -17.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-08-31 21:55:33,482 INFO L158 Benchmark]: Witness Printer took 56.42ms. Allocated memory is still 121.6MB. Free memory was 65.2MB in the beginning and 62.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:55:33,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 42.0MB in the end (delta: 48.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.56ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 29.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.68ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 29.6MB in the beginning and 63.5MB in the end (delta: -33.9MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.67ms. Allocated memory is still 83.9MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 866.56ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 48.9MB in the end (delta: 12.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6508.74ms. Allocated memory was 83.9MB in the beginning and 121.6MB in the end (delta: 37.7MB). Free memory was 48.1MB in the beginning and 65.2MB in the end (delta: -17.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 56.42ms. Allocated memory is still 121.6MB. Free memory was 65.2MB in the beginning and 62.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 154 PlacesBefore, 57 PlacesAfterwards, 155 TransitionsBefore, 53 TransitionsAfterwards, 2196 CoEnabledTransitionPairs, 8 FixpointIterations, 90 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 176 TotalNumberOfCompositions, 7532 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4085, independent: 3882, independent conditional: 0, independent unconditional: 3882, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 916, independent: 878, independent conditional: 0, independent unconditional: 878, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4085, independent: 3004, independent conditional: 0, independent unconditional: 3004, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 916, unknown conditional: 0, unknown unconditional: 916] , Statistics on independence cache: Total cache size (in pairs): 174, Positive cache size: 161, Positive conditional cache size: 0, Positive unconditional cache size: 161, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 205 locations, 56 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 336 IncrementalHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 0 mSDtfsCounter, 336 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:55:33,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE